Home / 21,739.60-32,601.30-7,694.20

Finding the Fourth Proportional to 21,739.60, 32,601.30 and 7,694.20

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Solution

The fourth proportional to 21,739.60, 32,601.30 and 7,694.20 is: 11,538.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,739.60 : 32,601.30 = 7,694.20 : x
  2. Step 2: Convert to fraction form
    21,739.60/32,601.30 = 7,694.20/x
  3. Step 3: Cross multiply
    21,739.60x = 32,601.30 × 7,694.20
  4. Step 4: Simplify right side
    21,739.60x = 250,840,922.46
  5. Step 5: Solve for x
    x = 250,840,922.46/21,739.60
  6. Step 6: Final answer
    x = 11,538.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.